Active Directory Installation Wizard The tool that is used to install and removeActive Directory. The actual name of the command that starts the wizard isDcpromo.exe. See also Dcpromo.exe.Active Directory–integrated zone A primary Domain Name System (DNS) zonethat is stored in Active Directory so that it can use multimaster replication andActive Directory security features.Active Directory quota For domain controllers running Microsoft Windows Server2003, a feature that determines the number of objects that can be owned in agiven directory partition by a security principal. Quotas can help prevent thedenial of service that can occur if a security principal accidentally, or intentionally,creates objects until the affected domain controller runs out of storage space.Active Directory Schema snap-in An administrative tool that allows you to viewand modify the Active Directory schema. You must install the Active DirectorySchema console by using the Microsoft Windows Server 2003 Administration Toolson the Windows Server 2003 compact disc. On a domain controller, to install theActive Directory Schema console, you simply register the Schmmgmt.dll file.Active Directory Service Interfaces (ADSI) A Component Object Model (COM)–based directory service model that allows ADSI-compliant client applications toaccess a wide variety of distinct directory protocols, including Windows DirectoryServices and Lightweight Directory Access Protocol (LDAP), while using a single,standard set of interfaces. ADSI shields the client application from the implementationand operational details of the underlying data store or protocol.Active Directory Sites And Services console An administrative tool that containsinformation about the physical structure of a network. Active Directory uses thisinformation to determine how to replicate directory information and handle servicerequests.Active Directory Users And Computers console An administrative tool designedto perform day-to-day Active Directory administration tasks. These tasks includecreating, deleting, modifying, moving, and setting permissions on objects stored inthe directory. These objects include organizational units (OUs), users, contacts,groups, computers, printers, and shared file objects.ADSI See Active Directory Service Interfaces (ADSI).alert A function that detects when a predefined counter value rises above or fallsbelow the configured threshold and notifies a user by means of the Messenger